win32_api.hpp

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extern "C" __declspec(dllimport) unsigned long __stdcall GetLastError();
extern "C" __declspec(dllimport) void * __stdcall GetCurrentProcess();
extern "C" __declspec(dllimport) int __stdcall CloseHandle(void*);
extern "C" __declspec(dllimport) int __stdcall DuplicateHandle
   ( void *hSourceProcessHandle,    void *hSourceHandle
   , void *hTargetProcessHandle,    void **lpTargetHandle
   , unsigned long dwDesiredAccess, int bInheritHandle
   , unsigned long dwOptions);
extern "C" __declspec(dllimport) void __stdcall GetSystemTimeAsFileTime(interprocess_filetime*);
extern "C" __declspec(dllimport) int  __stdcall FileTimeToLocalFileTime(const interprocess_filetime *in, const interprocess_filetime *out);
extern "C" __declspec(dllimport) void * __stdcall CreateMutexA(interprocess_security_attributes*, int, const char *);
extern "C" __declspec(dllimport) void * __stdcall OpenMutexA(unsigned long, int, const char *);
extern "C" __declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void *, unsigned long);
extern "C" __declspec(dllimport) int __stdcall ReleaseMutex(void *);
extern "C" __declspec(dllimport) int __stdcall UnmapViewOfFile(void *);
extern "C" __declspec(dllimport) void * __stdcall CreateSemaphoreA(interprocess_security_attributes*, long, long, const char *);
extern "C" __declspec(dllimport) int __stdcall ReleaseSemaphore(void *, long, long *);
extern "C" __declspec(dllimport) void * __stdcall OpenSemaphoreA(unsigned long, int, const char *);
extern "C" __declspec(dllimport) void * __stdcall CreateFileMappingA (void *, interprocess_security_attributes*, unsigned long, unsigned long, unsigned long, const char *);
extern "C" __declspec(dllimport) void * __stdcall MapViewOfFileEx (void *, unsigned long, unsigned long, unsigned long, std::size_t, void*);
extern "C" __declspec(dllimport) void * __stdcall OpenFileMappingA (unsigned long, int, const char *);
extern "C" __declspec(dllimport) void * __stdcall CreateFileA (const char *, unsigned long, unsigned long, struct interprocess_security_attributes*, unsigned long, unsigned long, void *);
extern "C" __declspec(dllimport) int __stdcall    DeleteFileA (const char *);
extern "C" __declspec(dllimport) int __stdcall    MoveFileExA (const char *, const char *, unsigned long);
extern "C" __declspec(dllimport) void __stdcall GetSystemInfo (struct system_info *);
extern "C" __declspec(dllimport) int __stdcall FlushViewOfFile (void *, std::size_t);
extern "C" __declspec(dllimport) int __stdcall GetFileSizeEx (void *, __int64 *size);
extern "C" __declspec(dllimport) unsigned long __stdcall FormatMessageA
   (unsigned long dwFlags,       const void *lpSource,   unsigned long dwMessageId, 
   unsigned long dwLanguageId,   char *lpBuffer,         unsigned long nSize, 
   std::va_list *Arguments);
extern "C" __declspec(dllimport) void *__stdcall LocalFree (void *);
extern "C" __declspec(dllimport) int __stdcall CreateDirectoryA(const char *, interprocess_security_attributes*);
extern "C" __declspec(dllimport) int __stdcall GetTempPathA(unsigned long length, char *buffer);
extern "C" __declspec(dllimport) int __stdcall CreateDirectory(const char *, interprocess_security_attributes*);
extern "C" __declspec(dllimport) int __stdcall SetFileValidData(void *, __int64 size);
extern "C" __declspec(dllimport) int __stdcall SetEndOfFile(void *);
extern "C" __declspec(dllimport) int __stdcall SetFilePointerEx(void *, __int64 distance, __int64 *new_file_pointer, unsigned long move_method);
extern "C" __declspec(dllimport) int __stdcall LockFile  (void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
extern "C" __declspec(dllimport) int __stdcall UnlockFile(void *hnd, unsigned long offset_low, unsigned long offset_high, unsigned long size_low, unsigned long size_high);
extern "C" __declspec(dllimport) int __stdcall LockFileEx(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
extern "C" __declspec(dllimport) int __stdcall UnlockFileEx(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped* overlapped);
extern "C" __declspec(dllimport) int __stdcall WriteFile(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped);
extern "C" __declspec(dllimport) int __stdcall InitializeSecurityDescriptor(interprocess_security_descriptor *pSecurityDescriptor, unsigned long dwRevision);
extern "C" __declspec(dllimport) int __stdcall SetSecurityDescriptorDacl(interprocess_security_descriptor *pSecurityDescriptor, int bDaclPresent, interprocess_acl *pDacl, int bDaclDefaulted);

}  //namespace winapi {
}  //namespace interprocess  {
}  //namespace boost  {

#else
#  include <windows.h>
#endif   //#if !defined( BOOST_USE_WINDOWS_H )

namespace boost {
namespace interprocess {
namespace winapi {

static inline unsigned long format_message
   (unsigned long dwFlags, const void *lpSource,
    unsigned long dwMessageId, unsigned long dwLanguageId,
    char *lpBuffer, unsigned long nSize, std::va_list *Arguments)
{
   return FormatMessageA
      (dwFlags, lpSource, dwMessageId, dwLanguageId, lpBuffer, nSize, Arguments);
}

//And now, wrapper functions
static inline void * local_free(void *hmem)
{  return LocalFree(hmem); }

static inline unsigned long make_lang_id(unsigned long p, unsigned long s)
{  return ((((unsigned short)(s)) << 10) | (unsigned short)(p));   }

static inline void sched_yield()
{  Sleep(1);   }

static inline unsigned long get_current_thread_id()
{  return GetCurrentThreadId();  }

static inline unsigned long get_current_process_id()
{  return GetCurrentProcessId();  }

static inline unsigned int close_handle(void* handle)
{  return CloseHandle(handle);   }

static inline bool duplicate_current_process_handle
   (void *hSourceHandle, void **lpTargetHandle)
{
   return 0 != DuplicateHandle
      ( GetCurrentProcess(),  hSourceHandle,    GetCurrentProcess()
      , lpTargetHandle,       0,                0
      , duplicate_same_access);
}

static inline unsigned long get_last_error()
{  return GetLastError();  }

static inline void get_system_time_as_file_time(interprocess_filetime *filetime)
{  GetSystemTimeAsFileTime(filetime);  }

static inline bool file_time_to_local_file_time
   (const interprocess_filetime *in, const interprocess_filetime *out)
{  return 0 != FileTimeToLocalFileTime(in, out);  }

static inline void *create_mutex(const char *name)
{  return CreateMutexA(0, 0, name); }

static inline void *open_mutex(const char *name)
{  return OpenMutexA(mutex_all_access, 0, name); }

static inline unsigned long wait_for_single_object(void *handle, unsigned long time)
{  return WaitForSingleObject(handle, time); }

static inline int release_mutex(void *handle)
{  return ReleaseMutex(handle);  }

static inline int unmap_view_of_file(void *address)
{  return UnmapViewOfFile(address); }

static inline void *create_semaphore(long initialCount, const char *name)
{  return CreateSemaphoreA(0, initialCount, (long)(((unsigned long)(-1))>>1), name);   }

static inline int release_semaphore(void *handle, long release_count, long *prev_count)
{  return ReleaseSemaphore(handle, release_count, prev_count); }

static inline void *open_semaphore(const char *name)
{  return OpenSemaphoreA(semaphore_all_access, 1, name); }

static inline void * create_file_mapping (void * handle, unsigned long access, unsigned long high_size, unsigned long low_size, const char * name)
{
   interprocess_security_attributes sa;
   interprocess_security_descriptor sd; 

   if(!InitializeSecurityDescriptor(&sd, security_descriptor_revision))
      return 0;
   if(!SetSecurityDescriptorDacl(&sd, true, 0, false))
      return 0;
   sa.lpSecurityDescriptor = &sd;
   sa.nLength = sizeof(interprocess_security_attributes);
   sa.bInheritHandle = false;
   return CreateFileMappingA (handle, &sa, access, high_size, low_size, name); 
  //return CreateFileMappingA (handle, 0, access, high_size, low_size, name);  
}

static inline void * open_file_mapping (unsigned long access, const char *name)
{  return OpenFileMappingA (access, 0, name);   }

static inline void *map_view_of_file_ex(void *handle, unsigned long file_access, unsigned long highoffset, unsigned long lowoffset, std::size_t numbytes, void *base_addr)
{  return MapViewOfFileEx(handle, file_access, highoffset, lowoffset, numbytes, base_addr);  }

static inline void *create_file(const char *name, unsigned long access, unsigned long creation_flags, unsigned long attributes = 0)
{  return CreateFileA(name, access, file_share_read | file_share_write | file_share_delete, 0, creation_flags, attributes, 0);  }

static inline bool delete_file(const char *name)
{  return 0 != DeleteFileA(name);  }

static inline bool move_file_ex(const char *source_filename, const char *destination_filename, unsigned long flags)
{  return 0 != MoveFileExA(source_filename, destination_filename, flags);  }

static inline void get_system_info(system_info *info)
{  GetSystemInfo(info); }

static inline int flush_view_of_file(void *base_addr, std::size_t numbytes)
{  return FlushViewOfFile(base_addr, numbytes); }

static inline bool get_file_size(void *handle, __int64 &size)
{  return 0 != GetFileSizeEx(handle, &size);  }

static inline bool create_directory(const char *name, interprocess_security_attributes* security)
{  return 0 != CreateDirectoryA(name, security);   }

static inline unsigned long get_temp_path(unsigned long length, char *buffer)
{  return GetTempPathA(length, buffer);   }

static inline int set_end_of_file(void *handle)
{  return 0 != SetEndOfFile(handle);   }

static inline bool set_file_pointer_ex(void *handle, __int64 distance, __int64 *new_file_pointer, unsigned long move_method)
{  return 0 != SetFilePointerEx(handle, distance, new_file_pointer, move_method);   }

static inline bool lock_file_ex(void *hnd, unsigned long flags, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
{  return 0 != LockFileEx(hnd, flags, reserved, size_low, size_high, overlapped); }

static inline bool unlock_file_ex(void *hnd, unsigned long reserved, unsigned long size_low, unsigned long size_high, interprocess_overlapped *overlapped)
{  return 0 != UnlockFileEx(hnd, reserved, size_low, size_high, overlapped);  }

static inline bool write_file(void *hnd, const void *buffer, unsigned long bytes_to_write, unsigned long *bytes_written, interprocess_overlapped* overlapped)
{  return 0 != WriteFile(hnd, buffer, bytes_to_write, bytes_written, overlapped);  }

static inline long interlocked_increment(long volatile *addr)
{  return BOOST_INTERLOCKED_INCREMENT(addr);  }

static inline long interlocked_decrement(long volatile *addr)
{  return BOOST_INTERLOCKED_DECREMENT(addr);  }

static inline long interlocked_compare_exchange(long volatile *addr, long val1, long val2)
{  return BOOST_INTERLOCKED_COMPARE_EXCHANGE(addr, val1, val2);  }

static inline long interlocked_exchange_add(long volatile* addend, long value)
{  return BOOST_INTERLOCKED_EXCHANGE_ADD(const_cast<long*>(addend), value);  }

static inline long interlocked_exchange(long volatile* addend, long value)
{  return BOOST_INTERLOCKED_EXCHANGE(const_cast<long*>(addend), value);  }

}  //namespace winapi 
}  //namespace interprocess
}  //namespace boost 

#include <boost/interprocess/detail/config_end.hpp>

#endif //#ifdef BOOST_INTERPROCESS_WIN32_SYNC_PRIMITIVES_HPP